| 1 | ||
| Researcher: | Samal, Chandan Kumar | |
| Guide: | Ramakrishna, V | |
| University: | University of Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Yadav, Upendra Narayan | |
| Guide: | Yadav, Shio Muni | |
| University: | Bhupendra Narayan Mandal University, Madhepura (B N Mandal University) | |
| Language: | English | |